Não informado. (1959). Annals of the International Geophysical Year. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of the International Geophysical Year. London: Pergamon Press, 1959.
Lua MLA (8ú heag.)Não informado. Annals of the International Geophysical Year. Pergamon Press, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.